The following picture shows the double-action is the plastic egg machine play.
以下图片显示的就是塑料的双动打蛋机。
2
Our company is the production of hydraulic stretch of double-action plate of specialized enterprises.
我公司是生产液压双动薄板拉伸机的专业化企业。
3
This paper presented the working principle and structure of the double-action vane pump, analyzed its mechanism of variable displacement and characteristics of energy saving.